Offering the best quotes for your research!
New and used scientific instruments
🚚 Shipping Worldwide 🌎
✉️ info@questpair.com
Stirling Ultracold SU780XLE -86°C Upright Ultra-Low Freezer
Product Description
The Stirling Ultracold SU780XLE -86°C Upright Ultra-Low Freezer delivers advanced ULT technology with these features:
- Temperature Range: Adjustable from -20°C to -86°C in 1°C increments
- Temperature Stability: ±1°C steady-state variation over time
- Door Opening Recovery: Recovers to -80°C within ±1°C in 35 minutes according to ENERGY STAR Final Test Method
- Capacity: 780 liters, largest storage per square foot in its class
- Connectivity: Supports Building Management Systems (BMS)/Building Automation Systems (BAS) and third-party monitoring systems with real-time temperature display
- Cooling Technology: Helium-charged free-piston Stirling engine with only two moving parts; no compressor, reducing failure risk
- Energy Efficiency: Consumes up to 70% less energy than traditional compressor-based ULT freezers and 45% less than similar ENERGY STAR rated units
- Refrigerant: Uses EPA SNAP-approved 100% natural refrigerants
- Environmental Impact: Reduced carbon footprint through eco-friendly manufacturing and operation
- Operational Costs: Lowers electric utility costs, HVAC loads, infrastructure needs, and maintenance/service costs
- Cooling System: Modulated cooling capacity and 100% adaptive control for rapid temperature pull-down and recovery
- Defrost Method: Manual defrost
- Heat Transport: Gravity-driven thermosiphon system
This freezer combines reliability, efficiency, and environmental responsibility while protecting sensitive research materials. All units are factory-tested to ensure performance compliance prior to shipment.
Item Stats
Product details
| Temperature Range | -20°C to -86°C, adjustable in 1°C increments |
| Volume | 780L (27.5 cu. ft.) |
| Cooling Engine | Helium charged free-piston Stirling engine with continuous modulation |
| Heat Transport System | Gravity driven thermosiphon |
| Refrigerant | R-170 (Ethane) 90 grams |
| Evaporator | Cold wall (inner liner) |
| Heat Rejection | Finned heat exchanger with forced air cooling Air inlet: above freezer door, below mechanical compartment Air outlet: right side of top cover, upward |
| Defrost Method | Manual |
| Controller Type | Microprocessor with touchscreen input and display |
| Warm and Cold Alarms | Fully adjustable |
| Temperature Log | 30 days available graphically |
| Battery Back-up | 12-hour control battery back-up for touchscreen |
| Energy Use | 6.67 kWh/day at -75°C |
| Pull Down from 25°C Ambient | 6.5 hours to -80°C (empty cabinet) |
| Recovery from Door Opening | 35 minutes at -80°C |
| Warm-up Profile | 2.5 hours to -60°C at -80°C (empty cabinet) 6.5 hours to -40°C at -80°C (empty cabinet) |
| Heat Dissipation | 981 BTU/hr (load to HVAC) at -80°C (empty cabinet) |
| Interior Dimensions (H x D x W) | 60.7 x 27.8 x 29.1 in. (154.2 x 70.5 x 74 cm) |
| Exterior Dimensions (H x D x W) | 78.5 x 34.3 x 36 in. (199.4 x 87 x 91.5 cm) |
| Weight | 655 lb. (297 kg.) |
| Electrical Requirements | 120-240V, 50/60Hz, 1200W |
Documents
About QuestPair
Our Mission
QuestPair is Europe's leading platform for scientific equipment, connecting researchers and organizations with verified suppliers of both new and pre-owned laboratory instruments in the biotech and material science industry. Our aim is to make the procurement of scientific instruments more efficient, cost-effective, and reliable, so that laboratories can focus on advancing science rather than searching equipment and negotiating deals.
Why Choose Us
Founded by scientists for scientists, we understand your challenges. Our AI-powered platform offers transparent pricing, verified quality, and expert support, ensuring you find the perfect equipment for your research needs.
Verified Quality
Every piece of equipment undergoes thorough verification by our expert team, ensuring reliability and performance.
Cost Efficiency
Access both new and premium pre-owned equipment, saving up to 40% without compromising on quality.
Expert Support
Our dedicated team provides personalized guidance throughout your equipment procurement journey.
Ready to Transform Your Research?
Join thousands of biotech scientists who trust QuestPair for their equipment needs.
What customers think about QuestPair
Brilliant service. Everything arrived and was exactly as expected
Jon Welburn
Great customer service! Got me great options for the equipment I was looking for and in a timely manner.
Pamela
Space Lab Technologies, LLCHarm is very responsive to help me find the right equipment. The product I received is in a good condition.
Ph.D. Hsin-Wen Liang
Northeastern UniversityThis Item is Out of Stock, But We've Got You Covered!
This item is no longer available from our main supplier. Our dedicated sourcing team can find this product or a suitable alternative and provide you with a competitive quote. Submit a request for a tailored quote.
Frequently Asked Questions
Is this equipment new or refurbished?
How long does shipping take?
What about warranty and returns?
Why request a quote?
Need help choosing the right tool?
- Accurate policy information specific to your chosen product
- Clear understanding of warranty coverage and terms
- Detailed return policy explanation
- Transparent shipping options and costs
Customer Service
Here to help you with: Product Inquiries, Shipping & Support, Technical Support, Business Inquiries and Press.
We are available to assist you Mon-Fri, 10am - 5pm CET.